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    • 63. 发明申请
    • INDUSTRIAL SERVICE AGRICULTURAL TIRE
    • 工业服务农业轮胎
    • WO1998033669A1
    • 1998-08-06
    • PCT/US1997001623
    • 1997-02-04
    • THE GOODYEAR TIRE & RUBBER COMPANYBAUS, Andre, Emile, Joseph
    • THE GOODYEAR TIRE & RUBBER COMPANY
    • B60C11/11
    • B60C11/0316B60C11/0311B60C11/033B60C11/1369
    • A pneumatic agricultural tire (20) for an industrial type tractor or like vehicle has a plurality of central lugs (60) and a plurality of shoulder lugs (40, 50). The plurality of central lugs (60) are arranged in a circumferentially continuous row and extend across the equatorial plane (EP). Each central lug (60) is similar in shape and orientation relative to each circumferentially adjacent central lug (60). Each central lug (60) has a leading edge (51) and a trailing edge (52). The leading edges (51) of each lug (60) are located on an opposite of the equatorial plane relative to the trailing edge (52) of the same central lug (60). The plurality of shoulder lugs (40, 50) are divided into first and second rows and project radially outwardly from the inner tread (34) and extend from the lateral tread edges (33A, 33B) toward the equatorial plane of the tire (20). The shoulder lugs (40, 50) have an axially inner end (43, 53) being axially spaced from a leading end (64) and a trailing end (66) of the axially adjacent central lugs (60). The lugs (40, 50) in conjunction with the central lugs (60) have constant radii of curvature R1 and R2 on each tread half (32A and 32B). The curvatures R1 and R2 provide nondirectional performance capability of the tread (32).
    • 一种用于工业型拖拉机或类似车辆的气动农用轮胎(20)具有多个中心凸耳(60)和多个肩部凸耳(40,50)。 多个中心凸耳(60)布置成周向连续的行并延伸穿过赤道平面(EP)。 每个中心凸耳(60)的形状和取向相对于每个周向相邻的中心凸耳(60)相似。 每个中心凸耳(60)具有前缘(51)和后缘(52)。 每个凸耳(60)的前缘(51)位于赤道平面相对于相同中心凸耳(60)的后缘(52)的相反侧。 多个肩部凸缘(40,50)被分成第一排和第二排,并且从内胎面(34)径向向外突出并且从侧向胎面边缘(33A,33B)向轮胎(20)的赤道平面延伸, 。 肩部凸缘(40,50)具有与轴向相邻的中心凸耳(60)的前端(64)和后端(66)轴向间隔的轴向内端(43,43)。 与中心凸耳(60)结合的凸耳(40,50)在每个胎面半部(32A和32B)上具有恒定的曲率半径R1和R2。 曲率R1和R2提供胎面(32)的非定向性能。
    • 66. 发明申请
    • METHOD OF HIGH SPEED CENTRIFUGAL RUN-OUT GRINDING OF A PNEUMATIC TIRE
    • 气动轮胎高速离心研磨方法
    • WO1998005937A1
    • 1998-02-12
    • PCT/US1996012845
    • 1996-08-02
    • THE GOODYEAR TIRE & RUBBER COMPANYLIPCZYNSKI, George, JeffreyVICINI, Gino, SalvadorMALONEY, John, Michael
    • THE GOODYEAR TIRE & RUBBER COMPANY
    • G01M17/02
    • G01M17/024
    • A method for correcting the radial run-out and radial force variation of a pneumatic tire (12) with a tire uniformity machine (10). The tire is rotated at a high speed and radial run-out is measured. A center grinder assembly (24) is incrementally advanced into contact with sections of the tire having intrinsic radial run-out until all values of radial run-out about the tread circumference are within an acceptable value of radial run-out. In addition to the advancement of the center grinder assembly (24), top and bottom tread shoulder grinders (40A, 40B) may be advanced into contact with sections of top and bottom shoulder regions of the tire having phase adjusted lateral run-out. The extent of the advancement of the shoulder grinders into contact with the tread shoulders of tire is dictated by a control signal generated by a computer program from the initial measurements of radial run-out. Tangential force variations of the tire occurring when the tire is rotating at a high speed are also expected to be reduced due to the grinding of the tire.
    • 一种利用轮胎均匀机(10)校正充气轮胎(12)的径向跳动和径向力变化的方法。 轮胎以高速旋转,并测量径向跳动。 中心研磨机组件(24)被递增地推进到具有固有的径向跳动的轮胎的部分接触,直到围绕胎面圆周的径向跳动的所有值都在径向跳动的可接受值内。 除了中心研磨机组件(24)的推进之外,顶部和底部胎面磨床(40A,40B)可以推进到具有相位调整的横向跳动的轮胎的顶部和底部肩部区域中。 肩部研磨机与轮胎胎肩接触的进展程度由计算机程序根据径向跳动的初始测量产生的控制信号决定。 当轮胎以高速旋转时发生的轮胎的切向力变化也预期由于轮胎的研磨而减小。